I believe you and I had the same theory as well as the same plan to add more when the downtrend showed signs of stopping. It's a good thing I listened to that little voice of reason in my head then, though.
I do still plan to add more, the big question is when. Of course, if I could answer that question accurately 100% of the time I'd be relaxing on my island right now. Instead, I get to look out the window and see one of those spring snow storms that come with living in the Midwest...